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KOYO / Extra-small, miniature ball bearings / standard type / open

KOYO ML4010

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
4 mm
Outside diameterD
10 mm
WidthB
3 mm
Dynamic load ratingC
0.81 kN
Static load ratingC0
0.23 kN
Limiting speednG
56000 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionExtra-small, miniature ball bearings / Standard type / Open
Bore diameterd4 mm
Outside diameterD10 mm
WidthB3 mm
Basic dynamic load ratingC0.81 kN
Basic static load ratingC00.23 kN
Fatigue load limitPu0.006 kN
Limiting speednG56000 r/min
Mass≈m0.001 kg
SealingOpen
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Extra-small, miniature ball bearings - Standard type - Open
Official Classification 1Deep groove ball bearings / Extra-small, miniature ball bearings / Standard type / Open
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d4 mm
D10 mm
B3 mm
R(Min.)0.15 mm
Basic Load Ratings : Cr0.810 kN
Basic Load Ratings : C0R0.23 kN
Fatigue Load Limit : Cu0.006 kN
Factor : F013.3
Limiting Speeds(Grease Lub.)56000 min-1
Limiting Speeds(Oil Lub.)67000 min-1
Da(Min.)5.2 mm
Da(Max.)8.8 mm
Ra(Max.)0.1 mm
Mass(Refer.)1.0 g

Technical documents & data sheet

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Record identity
KOYO ML4010
Document matching
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